/Engine/Plugins/Experimental/ChaosEditor/Source/FractureEditor/Public/FractureEditorMode.h
Helpers for FrustumSelect + to expose similar selection functionality to other code.
bool UpdateSelection ( const [TArray](API\Runtime\Core\Containers\TArray)< int32 > & PreviousSelection, [TArray](API\Runtime\Core\Containers\TArray)< int32 > & Bones, bool bAppend, bool bRemove )